<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			function hello() {
				document.write("hello,");
			}
			
			function message(message){
				document.write(message);
			}
			
			function multiple(number1,number2) {
				var result = number1 * number2;
				return result;
			}
		</script>
	</head>
	<body>
		<script>
			hello();
			message("JavaScript");
			var result = multiple(20,30);
			document.write(result);
		</script>
	</body>
</html>